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十年研發(fā)經(jīng)驗工程師感慨:研發(fā)不易,選型更難(原創(chuàng)) |
點評
意思是國內(nèi)的航空發(fā)動機最大的問題是賣不出去,問題不在研發(fā)技術(shù)?
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